Made for professional use, the 60-Volt MAX 20 in. 5.0 Ah Brushless Cordless Chainsaw features a peak horsepower of 4 HP using a DCB615 battery. Designed for consistent high-level performance, this Chainsaw features tooled chain tensioning for reliable bar retention. Its brushless motor delivers expert-grade efficiency with auto-oiling for continuous lubrication. The unit's bar and chain was engineered for low kick back for a range of outdoor cutting projects and its chain brake offers added kick back protection. When your chainsaw bar is broken or worn beyond repair, cut idle time and maintain productivity with the hard-wearing 20 in. Replacement Chainsaw Bar DWZCSB20. Keep productivity up when your chain is worn or damaged with the high-endurance 20 in. Chainsaw Replacement Chain DWO1DT620.